JPH0711223B2 - Automatic folding door opening / closing device - Google Patents

Description

The present invention relates to a folding door automatic opening / closing device.

[Conventional technology]

As an automatic opening / closing device for this kind of door, for example, the actual opening 52-1258
No. 52 is known.

According to this, the door to be opened and closed is a sliding door, and a gate-shaped support pillar that is erected so as to surround the sliding door is provided with a single driving roller with a small driving diameter that allows forward and reverse rotation by driving means,
The driven roller is rotatably provided and has a single driven diameter and a small diameter, and a sliding door-side pressing elastic means disposed on the driven roller.

[Problems to be Solved by the Invention]

In this case, since the driving roller and the driven roller hold the door in a pinching state, it is possible to automatically open and close the sliding door by driving the driving means. To enable folding in a bellows shape, a superposition shape, etc.,
If it is used for a folding door in which a large number of door panels are connected to each other, there is still a possibility that the opening and closing may be poor or the opening and closing may be impossible.

That is, the folding door is generally constructed so as to have some swinging property so that the airtightness is not impaired in relation to the opening frame, and therefore the folding door is The succeeding door panel is rarely placed in the exact same plane in series, and the opening and closing movements thereof are often performed so as to cause mutual inclination and positional deviation due to rocking.

Therefore, if the above automatic opening / closing device is applied to a folding door, it may not be possible to smoothly receive the rollers between the leading and trailing door panels, especially the trailing door panels, which may be inclined or misaligned, and may cause the rollers to slip. Therefore, even if the automatic opening / closing device can automatically open / close a single-door sliding door due to its configuration, it is not practically applicable to a folding door to automatically open / close it. It is possible.

The present invention has been made in view of the above circumstances, and a problem to be solved by the present invention is to provide an automatic opening / closing device for a folding door that can open and close the folding door reliably and smoothly.

[Means for Solving the Problems]

Therefore, the present invention corrects the relative positional relationship of the succeeding door panel in which the preceding door panel is held so that its positioning is performed and the inclination and the positional deviation are generated, and this is reliably received between the rollers, The present invention has a constitution in which this can be repeated in succession, that is, the present invention provides a pair of driving means that can be rotated forward and backward simultaneously by driving means axially arranged in series on one side of the inside and outside of the door panel in the opening and closing direction. Drive roller, and a pair of freely driven follower rollers axially arranged in series in the opening / closing direction on the other side of the inner and outer sides of the door panel facing the open / close direction, and a small number of these drive rollers or follower rollers. The present invention relates to an automatic opening / closing device for a folding door, characterized in that it comprises an elastic means for pressing the door panel side disposed on one side, and this is a means for solving the above problems as the gist of the invention. One in which the.

〔Example〕

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described in more detail with reference to the drawings showing the following embodiments. 1 is a folding door made of aluminum and 10 is a folding door 1
Opening frames that can be opened and closed over three sides, 11, 13, 15 are the upper frame, lower frame, and vertical frame of the opening frame 10, and 16 is a door pocket provided on one side of the opening frame 10. is there.

In the present example, the folding door 1 is used as a horizontal suspension horizontal reference installed above the opening frame 10, and the folding door 1 is formed by connecting a large number of hanging door panels 2 in accordance with the opening width of the opening frame 10. In each upper hanging door panel 2, the upper hanging traveling door roller 5 projecting above the left and right vertical frames 4 is attached to the protruding rail of the upper frame 11.
A guide roller (not shown), which is rotatably mounted on 12 and which also projects below the left and right vertical frames 4, also has a groove rail 14 on the lower frame 13.
By being engaged with each other, each of them is suspended and installed so as to leave some swinging property.

In the present example, although the connection of the upper hanging door panel 2 is omitted in the drawing, the door bag 16 is folded in a superimposed manner,
For example, as shown in Japanese Patent Laid-Open No. 64-6484 of the present applicant,
This is done by connecting a slider, which is slidably arranged with respect to the preceding upper hanging door panel 2, to a leading-side vertical frame of the succeeding upper hanging door panel 2 by a bendable wire. As the panel 2 runs, the other upper hanging door panel 2 adjacent to the panel 2 can be pulled and run.

This folding door 1 includes drive rollers 20 and 21 for driving, which are axially dominated at the horizontal frame 3 position above the upper hanging door panel 2 in the vicinity of the door pocket in this example, and driven rollers which are driven at positions opposite to the drive rollers 20 and 21. An automatic opening / closing device A is provided which holds the upper hanging door panel 2 in a pinching state by means of 30, 31 and is automatically opened / closed by the driving means 60.

That is, the drive rollers 20 and 21 are forward / reverse simultaneously by the motor of the drive means 60 axially arranged in series in the opening / closing direction of the upper hanging door panel 2 on the inner side or the inner side of the upper hanging door panel 2 in this example. The driven rollers 30 and 31 are rotatably provided as a pair for driving, and the driven rollers 30 and 31 are arranged on the other side of the inside and outside of the upper hanging door panel 2 in the opening / closing direction at a position facing the driving rollers 20 and 21 on the outdoor side in this example. It is a pair of driven members that are rotatably arranged in series and are rotatably supported.

In this example, the driving rollers 20,21 and the driven rollers 30,31
Are made of natural rubber or synthetic rubber so that the upper hanging door panel 2 can be fed while holding the upper hanging door panel 2 in a clamped state. A large-diameter panel having a diameter about 3 to 4 times the thickness of the panel 2 is used.
Each drive roller 2 is installed in the storage case 22, 32 provided on the lower side of the
This is carried out by accommodating 0, 21 and driven rollers 30, 31 in series so as to be axially supported.

At this time, the drive rollers 20 and 21 connect one of the rotating shafts 23 for rotating them to the motor shaft 61 by using the universal joint 24, and coaxially fix the timing pulley 25 to the rotating shaft 23.
A timing belt 27 is laid between the two, so that by driving the motor of the drive means 60, both drive rollers 20 and 21 in series can be rotated simultaneously in the forward and reverse directions. The driven rollers 30 and 31 are rotatably supported by a support shaft 33 and a bolt 34 screwed onto the upper end.
The angle can be finely adjusted by each.

Further, in this example, the driving rollers 20 and 21 and the driven roller 3
There is provided an elastic means 40 for pressing the upper hanging door panel 2 side arranged on the driving rollers 20 and 21 forming one of the 0 and 31, so that the driving rollers 20 and 21 can be moved from the indoor side of the upper hanging door panel 2 to the room. The upper hanging door panel 2 is strongly pressed between the driving rollers 20 and 21 and the driven rollers 30 and 31 by pressing it outwardly to more securely hold them.

The elastic means 40 is a storage case 22 for the drive rollers 20 and 21.
The front end of the storage case 22 is rotatably supported with respect to the upper support frame 41 so that the drive rollers 20 and 21 can be tilted and rotated toward the upper hanging door panel 2 while the drive rollers 20 and 21 are stored. A pair of springs 43 are interposed between the rear end of the case 22 and the support frame 41. At this time, the spring 43 on the side of the storage case 22 is
It is received by a flanged nut 45 screwed to a support bolt 44 erected on 22.Therefore, by pushing the flanged nut 45, the pressing force of the spring 43, that is, the pressing force of the elastic pressure means 40 is adjusted. This is possible, and for this reason, for example, when there is an obstacle in the progress of the folding door 1, the feeding strength of the upper hanging door panel 2 can be adjusted to serve also as a safety device by idling.

Therefore, in the automatic opening / closing device A of this example, the rotation of the motor of the driving means 60 causes the pair of driving rollers 20, 21 for driving.
Rotate forward and reverse simultaneously, and a pair of driven rollers 30 and 31 for driven
It is possible to automatically open and close the folding door 1 by sending the door panel 2 held in a pinching state between and in both opening and closing directions.

At this time, since the folding door 1 has a front-back swinging property, an inclination or a positional deviation occurs between the upper hanging door panels 2, but the upper hanging door panel 2 preceded by the driving rollers 20, 21 and the driven rollers 30, 31 is positioned. The relative positional relationship of the subsequent door panel 2 inclining or misaligning is corrected in a state of being held so that the driving rollers 20, 21 and the driven rollers 30, 31
It is possible to reliably receive in the meantime and repeat this sequentially to perform reliable and smooth automatic opening and closing.

In the figure, 27 is a flange unit that supports the rotary shaft 23 of the drive rollers 20 and 21, and 35 is a support shaft 33 of the driven rollers 30 and 31.
, 42 is a hinge that pivotally supports the storage case 22 of the drive rollers 20, 21, 46 is a support case that supports the drive means 60, 50 is a release lever that releases the elastic pressure device 40, and 51 is a release lever 50. The shaft is connected, 52 is a fulcrum of the release lever 50, and 53 is a through hole for pushing up the release lever 50.

Although the illustrated example has been described above, in carrying out the present invention, each specific shape, material, structure, dimension of the folding door, door panel, drive roller, driven roller, elastic means, etc., their relation and arrangement position, Additions to these can be variously modified without departing from the spirit of the invention, and are not particularly limited to those shown in the above-described example.

〔The invention's effect〕

INDUSTRIAL APPLICABILITY As described above, the present invention provides a pair of drive rollers for driving forward / reverse simultaneous rotation by driving means axially arranged in series in the opening / closing direction on one side of the door panel and the other side of the door panel. Of a pair of driven rollers that are rotatably driven in series at the position facing the drive rollers in the opening / closing direction and are rotatably driven, and for pressing the door panel side provided on at least one of the drive rollers or the driven rollers. Since it is characterized in that it is provided with a repressing means, between the door panel preceding and following the door panel in the opening and closing direction, the tilting and Correct the relative positional relationship of the subsequent door panel that caused the positional deviation and reliably receive it between the driving roller and the driven roller, and repeat this sequentially to open and close automatically and reliably. It is possible to provide a device for automatically opening and closing the folding door.

[Brief description of drawings]

The drawings show embodiments, FIG. 1 is a cross-sectional view of a folding door, FIG. 2 is a perspective view showing a state of installation of an automatic opening / closing device, and FIG. 3 is a vertical cross-sectional view of a side of the automatic opening / closing device. FIG. 4 is a vertical sectional view of the front side of the automatic opening / closing device. 1 ... Folding door, 30, 31 ... Following roller 2 ... Door panel, 40 ... Repression means 20,21 ... Driving roller, 60 ... Driving means

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Internal reference number FI technical display location E06B 11/00 A

Claims (4)

[Claims] 1. A pair of drive rollers for driving forward and reverse simultaneously by driving means axially arranged in series on one side of the door panel toward the opening and closing direction thereof, and the other side of the inside and outside of the door panel. A pair of rotatably driven follower rollers axially arranged in series in the opening / closing direction opposite to the drive rollers, and an elastic pressure for pressing the door panel side, which is arranged on at least one of the drive roller and the follower roller. An automatic opening and closing device for a folding door, characterized by comprising: 2. The automatic opening / closing device for a folding door according to claim 1, wherein the driving roller and the driven roller are axially arranged at a position near the door pocket of the door panel. 3. The door panel is an upper hanging door panel,
The automatic opening / closing device for a folding door according to claim 1 or 2, wherein the driving roller and the driven roller are axially arranged at a position above the upper hanging door panel. 4. The automatic opening / closing device for a folding door according to claim 1, wherein the drive roller and the driven roller are made of natural rubber or synthetic rubber.